/**
 * #      893
 * 名称   特殊等价字符串组
 * 链接   https://leetcode-cn.com/problems/groups-of-special-equivalent-strings
 * 题解   [81](https://leetcode-cn.com/problems/groups-of-special-equivalent-strings/solution)
 * 通过率 71.8%
 * 难道   简单
 */

